Vulnerability Monitor

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CVE-2007-4567

The ipv6_hop_jumbo function in net/ipv6/exthdrs.c in the Linux kernel before 2.6.22 does not properly validate the hop-by-hop IPv6 extended header, which allows remote attackers to cause a denial of service (NULL pointer dereference and kernel panic) via a crafted IPv6 packet.

Security Impact Summary

CVE-2007-4567 is a security vulnerability that . Impacting 1 product from linux organizations running these solutions should prioritize assessment and patching.

Historical Context

Originally identified in 2007, this vulnerability predates many modern security frameworks and practices. The vulnerability landscape of that era was characterized by different threat models and less mature defense mechanisms compared to contemporary standards.

Published

2007-12-21T00:46:00.000

Last Modified

2026-04-23T00:35:47.467

Status

Modified

Source

[email protected]

Severity

CVSSv2: 7.8 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: COMPLETE
Exploitability Score

10.0

Impact Score

6.9

Weaknesses
  • Type: Primary
    CWE-20
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Operating System linux linux_kernel ≤ 2.6.21.7 Yes
Operating System linux linux_kernel 2.2.27 Yes
Operating System linux linux_kernel 2.4.36 Yes
Operating System linux linux_kernel 2.4.36.1 Yes
Operating System linux linux_kernel 2.4.36.2 Yes
Operating System linux linux_kernel 2.4.36.3 Yes
Operating System linux linux_kernel 2.4.36.4 Yes
Operating System linux linux_kernel 2.4.36.5 Yes
Operating System linux linux_kernel 2.4.36.6 Yes
Operating System linux linux_kernel 2.6 Yes
Operating System linux linux_kernel 2.6.18 Yes
Operating System linux linux_kernel 2.6.18 Yes
Operating System linux linux_kernel 2.6.18 Yes
Operating System linux linux_kernel 2.6.18 Yes
Operating System linux linux_kernel 2.6.18 Yes
Operating System linux linux_kernel 2.6.18 Yes
Operating System linux linux_kernel 2.6.18 Yes
Operating System linux linux_kernel 2.6.18 Yes
Operating System linux linux_kernel 2.6.19.4 Yes
Operating System linux linux_kernel 2.6.19.5 Yes
Operating System linux linux_kernel 2.6.19.6 Yes
Operating System linux linux_kernel 2.6.19.7 Yes
Operating System linux linux_kernel 2.6.20.16 Yes
Operating System linux linux_kernel 2.6.20.17 Yes
Operating System linux linux_kernel 2.6.20.18 Yes
Operating System linux linux_kernel 2.6.20.19 Yes
Operating System linux linux_kernel 2.6.20.20 Yes
Operating System linux linux_kernel 2.6.20.21 Yes
Operating System linux linux_kernel 2.6.21.5 Yes
Operating System linux linux_kernel 2.6.21.6 Yes
References

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For linux's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.